﻿using System;
using System.Collections.Generic;
using System.Text;

namespace Bai001
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Xin chao htgiang22122");
            Console.WriteLine("htgiang22121");
            

            Console.WriteLine("=>htgiang22122");
            Console.WriteLine("Thu lan cuoi");
        }
    }
}
